结果表明，锆的加入增加了焊缝金属中针状铁素体的含量，改善了焊缝金属的微观组织。
The results show that the addition of Zr increases the content of acicular ferrite and improves the microstructure of weld metal.
矿藏资源有石英、铁、沸石、煤、锆等。
Quartz mineral resources, iron, zeolite, coal, such as zirconium.
利用双辊制备了一系列热塑性弹性体聚氨酯（PU ）和铁电钛酸锆酸铅盐（PZT）的电致感应PZT/PU复合物。
Electrostrictive composites of thermoplastic elastomer polyurethane (PU) and the ferroelectric lead zirconate titanate (PZT) with various volume fractions were prepared by hot roller miller.
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